Glaucomatous Optic Nerve Changes and Thyroid Dysfunction in an Urban South Korean Population

Table 2

Univariate analysis of glaucoma and thyroid function.

	Quartiles of thyroid hormone				value
	1st quartile	2nd quartile	3rd quartile	4th quartile
Glaucoma (+) ()
TSH (μIU/mL); () ()	635 (25.93%)	612 (24.99%)	604 (24.66%)	598 (24.42%)	0.943
Free T4 (ng/dL); () ()	583 (23.87%)	638 (26.13%)	625 (25.59%)	596 (24.41%)	0.090
T3 (pg/mL); () ()	438 (21.09%)	461 (22.20%)	612 (29.47%)	566 (27.25%)	<0.001

Chi-square test
TSH: 1st , , , 4th ; free T4: 1st , , , 4th ; T3: 1st , , , 4th .